linux-kernel - Re: PROBLEM: Keyboard not responding after resuming from suspend/hibernate

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Message-ID: <20180918185415.GC4501@amd>
Date:   Tue, 18 Sep 2018 20:54:15 +0200
From:   Pavel Machek <pavel@....cz>
To:     Numan Demirdöğen <if.gnu.linux@...il.com>
Cc:     peterz@...radead.org, mingo@...hat.com,
        linux-kernel@...r.kernel.org, rjw@...ysocki.net
Subject: Re: PROBLEM: Keyboard not responding after resuming from
 suspend/hibernate

On Mon 2018-09-03 11:53:51, Numan Demirdöğen wrote:
> Fri, 31 Aug 2018 21:51:21 +0300 tarihinde
> Numan Demirdöğen <if.gnu.linux@...il.com> yazdı:
> 
> >If I put laptop to suspend or hibernate by closing lid, power
> >manager or any other method and then I resume/wake up laptop, keyboard
> >is not responding. My laptop is a Sony Vaio VPCEH2F1E. 
> >
> >Steps to produce bug:
> >1. Boot
> >2. Put laptop to sleep
> >3. Resume
> >
> >What I expect to happen: Keyboard responds to key press.
> >What happens: Keyboard does not respond but mouse and trackball are
> >working.
> >
> >git bisect point 9d659ae14b545c4296e812c70493bfdc999b5c1c as the first
> >bad commit.
> >
> >Bad commit link:
> >https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=9d659ae14b545c4296e812c70493bfdc999b5c1c
> >
> 
> I tried some kernel parameters related to i8042 driver:
> 
> i8042.debug=1 i8042.reset=1	keyboard not working
> i8042.debug=1 i8042.kbdreset=1	keyboard not working
> i8042.debug=1 i8042.nomux=1	keyboard not working
> i8042.debug=1 i8042.noaux=1	keyboard working, but touchpad not
> working
> 
> On some rare occasions, keyboard responds to key press but  it remains
> pressed forever even if I stop pressing it.
> 
> dmesg output after rebooting with i8042.debug=1 i8042.noaux=1
> parameters:

You may want to cc linux-input people. See the maintainers.

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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